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Fungus Governs Soil’s Carbon Content

Most of the planet’s carbon is neither in the forests nor the atmosphere. It is in the soil under your feet. US scientists think that they have identified the mechanism that keeps most of this awesome treasury of carbon locked away in the soil – or surrenders much more of it back to the atmosphe... Read More

BacterioFiles 187 - Bacteria Bolster Bedbug Biotin

This episode: Some Wolbachia bacteria produce vitamin B7 for their insect hosts!


(7.1 MB, 7.75 minutes)


Show notes: 
Journal Paper


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UA Study on Flu Evolution May Change Textbooks, History Books

A new study published in the journal Nature provides the most comprehensive analysis to date of the evolutionary relationships of influenza virus across different host species over time. In addition to dissecting how the virus evolves at different rates in different host species, the study chall... Read More

TWiP 66 letters

 


Andre writes:


Dear Vincent,


To my great delight, I just discovered your podcasts twiv, twim and twip.


The first twip I heard, about Strongyloides stercoralis, although informative and interesting, seemed to have several inaccuracies. I w... Read More

'Sterile' Urine May Be a Myth

Many people have heard that human urine is devoid of germs, but a new study seems to question that idea.

"Doctors have been trained to believe that urine is germ-free," Dr. Linda Brubaker, dean of Loyola University Chicago Stritch School of Medicine, said in a university news release. "These ... Read More

E.coli on MacConkey Agar (Mac)

Streak plate isolation of E. coli on MacConkey Agar grown for 24 hrs at 37 degrees. E. coli demonstrates strong lactose fermentation indicated by the bright pink halo, bile precipitant around the colonies, and pink colony growth. Read More

You'll Want To Wash Your Hands Immediately After Reading This (Infographic)

Germaphobes, maybe you're on to something.

Sickness-causing bacteria and viruses can lurk on surfaces long after they're expelled in an infected person's sneeze or snot. Some can even stay on a surface for months, given the right conditions. While the ability of these microorganisms to actual... Read More

TWiV 281: The Salk legacy with Peter L. Salk

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Host: Vincent Racaniello


Guest: Peter L. Salk


Vincent meets up with Peter L. Salk to talk about development ... Read More

TWiV 292: Medimmune goes viral

Vincent visits Medimmune and speaks with Wade, Matt, Nicole, and Ken about why they work in industry and their daily roles in a biotechnology company.


Hosts: Vincent Racaniello


Guests: Wa... Read More

Concrete-Dissolving Bacteria Are Destroying Our Nation's Sewers

Underground in places nobody likes to look, bacteria are doing terrible things to our sewage pipes. The concrete pipes that carry our waste are literally dissolving away, forcing engineers into a messy, expensive battle against tiny microbes.

"The veins of our cities are in serious trouble, a... Read More

Physarum polycephalum

Physarum polycephalum, slime mold, grown in a large perti plate on moist paper towels using oatmeal as the food source. Culture was grown in the dark at room temperature. The paper towel was moistened every day with tap water. After 3 week’s the culture formed sporangia (fruiting bodies). Im... Read More

Microvores: A Chemical Romance

An illustrated short story of the day in the life of a mircrobe who is self aware. Read More

Rare bacteria outbreak in cancer clinic tied to lapse in infection control procedure

Improper handling of intravenous saline at a West Virginia outpatient oncology clinic was linked with the first reported outbreak of Tsukamurella spp., gram-positive bacteria that rarely cause disease in humans, in a new report from the Centers for Disease Control and Prevention (CDC). The repor... Read More

Ebola

Ebola Virus
Colorized scanning electron micrograph of filamentous Ebola virus particles (blue) budding from a chronically infected VERO E6 cell (yellow-green).

Photo taken from NIAID flicker Read More

Mycobacterium smegmatis

Streak plate of Mycobacterium smegmatis grown on TSA for 96 hrs. Read More

TWiV 284: By the pricking of my thumbs, something wicked this way comes

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Hosts: Vincent RacanielloDickson Despommier Read More

Scientists for Science

Scientists for Science are confident that biomedical research on potentially dangerous pathogens can be performed safely and is essential for a comprehensive understanding of microbial disease pathogenesis, prevention and treatment. The results of such research are often unanticipated and accrue... Read More

First Look at How Individual Staphylococcus Cells Adhere to Nanostructures Could Lead to New Ways to Thwart Infections

The bacterium Staphylococcus Aureus (S. aureus) is a common source of infections that occur after surgeries involving prosthetic joints and artificial heart valves. The grape-shaped microorganism adheres to medical equipment, and if it gets inside the body, it can cause a serious and even life-t... Read More

ASM GM 2014 - Where Pathogens Can Linger on Airplanes

Many air travelers are concerned about the risks of catching a disease from other passengers given the long time spent in crowded air cabins. New research shows disease-causing bacteria can linger on surfaces commonly found in airplane cabins for days, even up to a week. Participants discuss ... Read More

TWiV 296: The real Batman, Linfa Wang

Vincent visits the Australian Animal Health Laboratory in Geelong, Australia and speaks with Linfa about his work on bats and bat viruses.


Hosts: Vincent Racaniello


Guest:  Read More

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